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!'3 180 m 2 Vinduer U=1,37-1,67 Gulvvarme Gas Loft + Gulv 250 mm Ydervægge 190 mm Naturligt ventileret
!'3 Energirammen opfyldt!
9&: Eksemplet
9&: 40 Wh/K*m 2 80 Wh/K*m 2 120 Wh/K*m 2 160 Wh/K*m 2 92 kwh/m 2 år 86 kwh/m 2 år 82 kwh/m 2 år 81 kwh/m 2 år kwh/m2 pr. år 100 90 80 70 60 50 40 30 20 10 0 0 50 100 150 200 250 Wh/K*m2
<, 90 85 kwh/m2 pr. år 80 75 70 65-10% 60 1 plan 2 plan Grundplan 180 m 2 Grundplan 90 m 2
9! U = 0,6 Gennemsnitlig U-værdi = 1,46 i eksemplet 100 90 kwh/m2 pr. år 80 70 60 50 40 0 0,5 1 1,5 2 2,5 U-værdi U-værdi = 0,8 => 20% reduktion
= Udgangspunkt Væg/loft/gulv 190/250/250 85 kwh/m2 pr. år 80 75 70 65 60 0 100 200 300 400 500 600 mm isolering Væg Loft Gulv "Alle tre" Væg/loft/gulv 300/500/500 => 15% reduktion
= 360 kwh/m2 pr. år 310 260 210 160 110 60 0 100 200 300 400 500 600 mm isolering Væg Loft Gulv "Alle tre" ### 0
9 VGV = 65% SEL = 1,2 kj/m 3 Tæthed = 0,13 l/s*m 2 VGV = 85% SEL = 0,6 kj/m 3 Tæthed = 0,085 l/s*m 2 kwh/m2 pr år 90 85 80 75 70 65 60 Naturlig Mekanisk Best in practise Varmegenv. SEL Tæthed "Det bedste"
+,! Egentligt 140 2,5 l/s m 2 kwh/m2 pr. år 120 100 80 60 40 0 2 4 6 8 10 Krav l/s/m2 1,5 l/s m 2 20kWh/m 2 år => ca. 2.600 kr./ år
: kwh/m2 pr. år 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 m2 solceller Energibehovet falder 1,5% pr m 2 solceller Huset kan blive energiproducerende ved 65 m 2 solceller men dyrt!!!
100 kwh/m2 pr. år 80 60 40 20 0 0 20 40 60 80 100 120 m2 solfanger Brugsvand Rumopvarmning Kombineret Energibehovet kan ikke dækkes helt ved hjælp af en solfanger 5 m 2 solfanger reducere energibehovet med 11 %
0,>? U = 0,8 300/500/500 Det bedste 5 m 2 Ingen kedel 90 80 70 60 50 40 30 20 10 0 Udgangspunkt + Bedre vinduer + Isolering + Ventilation + Solvarme Vent. med varmepumpe 17 m2 Solceller kwh/m2 pr. år 2 1 Super lavenergi 0-energi
! @ 1000 900 800 700 600 500 400 300 200 100 0 Udgangspunkt + Bedre vinduer + Isolering + Ventilation + Solvarme Vent. med varmepumpe + 17 m2 Solceller kroner pr måned Der kan spares 700 kr./måned ved at bygge et superlavenergi hus og 900 kr./måned ved et 0-energihus
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>( K Capitalized costs [ /m²] 140 120 100 80 60 40 20 0 Passive House w compact building services cost reduction: heating system low energy houses Total costs Energy costs Construction costs 0 10 20 30 40 50 60 70 80 90 100 Specific space heat demand [kwh/(m²a)]
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Eksisterende bygning Lav energi hus Passiv hus udsu gning 100 W/m² 25-35 W/m² 10 W/m² Vandbåren opvarmning, 10 kw Vandbåren opvarmning. 3 kw Opvarmning med ventilationsluft 1 kw
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9!@ + > ' spec. energy consumption kwh/(m²a) 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 1995 German Standard measurem. 10/91 to 09/92 measurem. 10/92 to 09/93 measurem. 10/93 to 09/94 measurem. 10/94 to 09/95 household electricity electr. for ventilation collective electricity cooking gas natural gas for dhw natural gas für space heating measurem. 10/95 to 09/96 measurem. 10/96 to 09/97 measurem. 10/97 to 09/98 measurem. 10/98 to 09/99
P1( 1 3500 +105%/a rate of increase 3000 2500 Passive Houses 2000 in Darmstadt Kranichstein 1500 1000 500 firstpassive House estate Passive House estate Ulm 2000 0 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
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Copyright Passivhaus Institut Darmstadt 22 Terraced Houses in Wiesbaden construction: mixed load-bearing structure made of prefabricated concrete elements, exterior walls and roof as lightweight timber elements heating system: radiators at interior walls district heating supply Rasch&Partner year of construction 1997 living area each 87-106 m² ventilation: ventilation system with highefficient heat recovery, efficiency 80%, partly subsoil heat exchanger annual heat requirement: q H : 13,4 kwh/(m²a), calculated with LEG and measured result spec. construction costs: appr. 1.070 /m² (living area)
Copyright Passivhaus Institut Darmstadt Passive House - Office Buildung in Passive House - Office Buildung in Cölbe (Hessen) Cölbe (Hessen) construction: mixed loadbearing structure made of reinforced concrete skeleton,exterior walls: wooden lightweight elements, roof: prefabricated wooden lightweight elements on glulam timber beam heating system: supply air heating solar plant, additional heating: combined heating and power station ventilation: ventilation system with high-efficient heat recovery, efficiency more than 80%, subsoil heat exchanger architect: Christian Stamm/Stadtallendorf services: IGH GmbH/ Marburg building physics: PHI; measurement: Uni Marburg. supported by SolarBau / BMBF year of construction: 1997/98 useful area: 2180 m² annual heat requirement: q H : appr. 14 kwh/(m²a), calculated with PHPP, measured result appr. 10 kwh/(m²a) spec. construction costs: appr. 1.227 /m² (useful area)
Single-family Detached Passive House in Bretten Copyright Passivhaus Institut Darmstadt construction: wooden construction with first Pfosten-Riegel-Fassade suitable for Passive Houses heating system: supply air heating, energy source for postheating: natural gas ventilation: ventilation system with high-efficient heat recovery, efficiency 83%, subsoil heat exchanger annual heat requirement: q H : 12,3 kwh/(m²a), calculated with PHPP architecture: oehler + arch kom year of construction: 1998 living area: 165 m² spec. construction costs: 280 /m³ (solar construction, garage, balcony, porch roof)
Semi-detached Houses in Bühl-Rittersbach construction: polystyrene concrete form blocks heating system: compact ventilation unit ventilation: ventilation system with heat recovery, efficiency 60 %, subsoil heat exchanger Copyright Passivhaus Institut Darmstadt architect: Dipl.-Ing. Günter Früh / Lichtenau year of construction: 2001 living area: 198 m² annual heat requirement: q H : appr. 12 kwh/(m²a), calculated with PHPP
32 Terraced Houses in Hannover-Kronsberg Copyright Passivhaus Institut Darmstadt construction: mixed loadbearing structure made of prefabricated concrete elements exterior wall and roof: wooden lightweight element heating system: postheating supply air + bath radiator, district heating supply ventilation: ventilation system with high-efficient heat recovery, efficiency 80 % annual heat requirement: q H : appr. 15 kwh/(m²a), calculated with PHPP Rasch & Partner year of construction: 1998 living area: 97-118 m² spec. construction costs: each unit 950-1.090 /m² (living area)
6 Terraced Houses in Batschuns (Vorarlberg/ Austria) construction: solid 18 cm expanded clay and wooden elements with 18 cm PURinsulation heating system: supply air heating with air to air heat pump, each 5 m² solar collectors, 500 l hot water storage with additional electr. heating Copyright Passivhaus Institut Darmstadt architect: Walter Unterrainer services: IBN-Ing.-Büro Naßwetter year of construction: 1998 living area: totally 780 m² ventilation: ventilation system with high-efficient heat recovery, efficiency appr. 85%, subsoil heat exchanger annual heat requirement: q H : 8-9,6 kwh/(m²a), simulated with Helios spec. construction costs: appr. 1.400 /m² (WNF)
Single-family Passive House Frastanz-Amerlügen (Vorarlberg / Austria) Copyright Passivhaus Institut Darmstadt construction: solid 18 cm brick, thermal compound insulation system made of cork (35 cm), interior walls made of clay heating system: supply air heating 17 m² collector, 3000 l storage, 500 l hot water tank planning: Baumeister Richard Caldonazzi services: Ing. Chr. Drexel year of construction: 1997 living area: 180 m² ventilation: ventilation system with high-efficient heat recovery, efficiency more than 75% (counterflow), subsoil heat exchanger annual heat requirement: q H : appr. 10 kwh/(m²a), simulated with TRNSYS spec. construction costs: appr. 1.430 /m² (living area)
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